Final answer:
The Sexual Assault Response Coordinator (SARC) serves as the single Point of Contact for coordinating care to sexual assault victims, offering support and liaison services regardless of their Service affiliation.
Step-by-step explanation:
The individual who must serve as the single Point of Contact (POC) for coordinating appropriate and responsive care to sexual assault victims, regardless of Service affiliation, is A) Sexual Assault Response Coordinator (SARC). The SARC is responsible for ensuring that sexual assault victims receive the necessary immediate and ongoing support, guidance, and care. This role encompasses coordination of care and support services, as well as liaison with various agencies and individuals involved in the response to a sexual assault, including medical, legal, psychological, and other forms of support.